Solutions

Metrodata's LAN extension products offer a variety of solutions:

• Plug and play LAN extension over a wide area network without the need for routers, e.g. over Kilostream Nx64kbps services - e.g. WC X.21
• Extension of switched infrastructure over leased line services, e.g. E1 2Mbps G703 - e.g. WC1000
• Transmission of LAN frames over satellite via EIA530, LVDS or HSSI modems - e.g. LH1000

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Metrodata's Ethernet service delivery products offer simple and cost effective ways of delivery Ethernet services to customers including:

• Ethernet service delivery from exchange to customer site via E1 or Nx64kbps leased lines - e.g. WC1000, WC X.21
• Cost effective Ethernet, E1/T1, E3/DS3 service delivery over an SDH infrastructure - e.g. MetroLAN1000
• Efficient delivery of Ethernet services over satellite infrastructure via EIA530, LVDS or HSSI modems - e.g. WC X.21, LV2000, LH1000

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Metrodata's range of fibre converters offer conversion from a range of standard interfaces including RS232, X.21, EIA530, V.35, E1, E3, DS3, STM-1, OC-3 to multimode or singlemode fibre either short haul or long haul. These plug and play solutions will help you to interconnect legacy applications via existing fibre within buildings, on campuses or across major terrestrial infrastructures.

Typical applications include:

• Mode conversion: e.g. multimode to singlemode at 155Mbps (FC2000) or 622Mbps (FC6000)
• Wavelength conversion: e.g. Gigabit Ethernet 1000baseSX to 1000baseLX (FC-GigE)
• Legacy serial applications extended over fibre: e.g. RS232 (FIMO-232) or X.21, EIA530, V.35 (FIMO-2000) extension over fibre
• Leased line replacement via fibre: e.g. E1 2Mbps G703 over fibre (FC1x00)
• Interconnection for legacy STM-1 G703 equipment: e.g. STM-1 BNC to STM-1 fibre conversion (FC4x00)

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Communcations equipment has a wide variety of interfacing options. If you need to connect different equipment together, or make the most out of the data or leased line service that you have, then Metrodata probably has a product that can help. Metrodata offer a wide variety of interface conversion products which operate at the transmission level and therefore can be used without requiring changes to your high level network design and without reducing your ability to fully test your infrastructure.

Typical interface conversions include:

• Nx64kbps to 1984kbps X.21 from E1 2M G703 equipment and services (DC3000)
• Router WAN serial conversion, e.g. HSSI to E3 or DS3 leased lines (DC3445)

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Integrating PBX, Router and LAN's within a Wide Area corporate resource is made easier and more cost-effective by careful selection of network services and the associated connections to your on-premise equipment.

Metrodata can offer a variety of solutions including:

• Interface conversion between user equipment and standard Telecoms services (e.g. DC3000)
• Expansion of switched data infrastructure to include remote offices via leased line services (e.g. WC1000)
• Delivery of multiple voice, data and video services over an integrated infrastructure
• Enabling the user to use the most cost effective wide area bandwidth services
• Convergence between multiple disparate applications and technologies (Access Processor)

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Carrier services are usually delivered to users via the most cost effective medium that is available, however this often presents a different interface to the customer than exists on their customer premise equipment. Metrodata provide a variety of different service provision solutions to resolve these issues, including:

• Ethernet over leased lines (WC1000, WC X.21)
• X.21 at Nx64kbps to 2Mbps over an E1 (DC3000)
• E1 over a 2Mbps X.21 circuit (DC1000)
• HSSI at 34Mbps over an E3 (DC3445, FM4900)
• HSSI at 45Mbps over a DS3 circuit (DC3445, FM4950)
• ATM at OC-3 over a 45Mbit circuit (ATM Switching DSU)
• Multimode delivery of singlemode services (FC2000)
• Fibre delivery of coaxial services (FC1x00)

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The communications sector uses a wide variety of equipment and infrastructure services. Metrodata are specialists at integrating equipment and services together across a wide spectrum of connectivity applications from data centres and switch rooms to LAN, MAN and WAN, from Telecoms services to mobile to broadcast to satellite. With a wide variety of products each resolving relatively simple transmission problems, as well as some more complex convergence solutions, Metrodata has the toolkit that you need.

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Metrodata provide a variety of ATM solutions including:

• ATM rate adaption, e.g. interconnection of OC-3 and E3 ATM equipment (ATM SW DSU)
• ATM interface conversion, e.g. interconnection of OC-3 ATM equipment via DS3 leased line circuits (ATM SW DSU)
• ATM network termination, e.g. ATM service delivery network termination units (ATM NTU)
• ATM circuit emulation, e.g. integration of non-ATM or legacy applications into ATM networks (ATM CE DSU)
• ATM over serial applications, e.g. transporting ATM over serial services (Access Processor)
• Serial over ATM applications, e.g. transporting encrypted data across an ATM network (Access Processor)
• ATM over satellite applications, e.g. transporting ATM cells across a satellite link (Access Processor)
• Convergence solutions, e.g. integrating ATM and non-ATM applications together, or even just mutliple non-ATM applications (Access Processor)

Click on this link for some examples of ATM Networking Solutions

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Metrodata understand the world of Satcoms, and supply many features as standard that specifically address issues relating to the implementation of satellite applications, including:

• Ethernet over satellite, e.g. deliver Ethernet services via satellite
• Satellite backhaul solutions, e.g. resolving clocking and frequency issues via transmission solutions, i.e. without partitioning at IP layer
• Satellite modem interface converters, e.g. converting between satellite modems, routers and encrypters
• Exact clocking solutions, e.g. matching transmission frequencies to minimise geographic or environmental limitations
• ATM over satellite, e.g. transporting ATM cells over serial infrastructure
• Asymmetric satellite solutions, e.g. resolving connectivity problems within asymmetric satellite networks

Metrodata can also help you get the most from your satellite network by resolving the following:

• Network partitioning problems, e.g. designing backhaul infrastructure at layer 2 without routers causing layer 3 problems
• Co-location issues, e.g. extend connections between satellite modems and router infrastructure via extended cabling
• Backhaul issues, e.g. extend connections between satellite modems and router infrastructure via terrestrial infrastructure
• High data rates over satellite, e.g. enable provision of services at bandwidths between 52Mbps and 110Mbps

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Applications and requirements in space and defence networks can range from low-bandwidth bi-directional, secure voice communications to high data rate broadcast imagery. Add this to legacy TDM Networks, existing Trunk, Bulk Encryption Devices and emerging technologies and it is clear that the Access Point must be highly flexible in both bitrate and mode of operation, whilst being scalable enough to support future capabilities.

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Federal applications and requirements can range from low bandwidth bi-directional secure voice communications, to high data rate broadcast imagery from the new generation of Unmanned Aerial Vehicles such as Global Hawk, Combine this with legacy TDM Networks, existing Trunk and Bulk Encryption devices, then Systems Engineering becomes an interesting challenge which Metrodata can help you with.

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Metrodata's wealth of experience interconnecting carrier services to all types of customer Premise equipment (CPE) interfaces can also be applied to the wireless arena to ensure that you have solutions to your challenges. Wireless equipment often has interfaces which are not compatible with user requirements. Speeds from Nx64kbps up to 622 Mbps via fibre or copper into X.21, V.35, HSSI and ATM are all possible.

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